Iris Flower How To Plant. 24092019 42 Cutting back iris after bloom in fall for winter After the flowering period the plant begins to prepare for winter. Place the rhizome on a ridge of soil placing the roots in the soil but the rhizome just above soil level.
Plant moisture-loving iris spring summer or autumn. They also need well-drained soil with a pH between 60 to 75 4. If a bed has looked poor the previous May try a light mulch of compost in November.
Replanting Iris after dividing.
Dig a shallow hole 10 inches in diameter and 4 inches deep. For border irises bought as rhizomes dig a hole large enough for the rhizome and roots. Irises can be grown from seeds or bare-root rhizomes. 01112019 How Far Apart do you Plant Irises.